Even though I'm being told "I love you," the number above my head says "KILL INTENT MAX"?

The protagonist, reborn as Solaris, the disliked duke's daughter in an otome game, gains the ability to see other people's "lies (Gaps)" and "hidden emotions" displayed as numerical values. One day, Prince Arthur, a marriage candidate, gives her a "royal fragrance" as a gift, but the system issues a strong warning. The contents were actually "skunk grass juice that emits a foul odor."